Nitric oxide (NO) is a central molecule in the global cycling of nitrogen, and also toxic. Little is known about if and how microbes can use NO as a substrate for growth. Scientists have now managed ...

Humans may be fueling global warming by breathing, a new study suggests. “Exhaled human breath can contain small, elevated concentrations of methane (CH4) and nitrous oxide (N2O), both of which ...

Nearly 50 million Americans are exposed to higher levels of air pollution as a result of discriminatory “redlining” policies decades after the practice was officially outlawed, according to research ...